詳細(xì)介紹 產(chǎn)品特征公稱壓力:1.6~6.4MPa適用溫度范圍:≤200℃~≤350℃適用介質(zhì):醋酸類、水、油、氣類及某些腐蝕性液體。止回閥:止回閥又稱單向閥或逆止閥,其作用是防止管路中的介質(zhì)倒流。水泵吸水關(guān)的底閥也屬于止回閥類。啟閉件靠介質(zhì)流動和力量自行開啟或關(guān)閉,以防止介質(zhì)倒流的閥門叫止回閥。止回閥屬于自動閥類,主要用于介質(zhì)單向流動的管道上,只允許介質(zhì)向一個方向流動,以防止發(fā)生事故。 主要零件材質(zhì)零件名稱ZG1Cr18Ni9Ti304 CF8ZG00Cr18Ni10304L CF3ZG1Cr18Ni12Mo2Ti316 CF8MZG00Cr17Ni14Mo2316L CF3M閥體/閥蓋0Cr18Ni900Cr18Ni100Cr18Ni9Mo200Cr18Ni10Mo2閥瓣0Cr18Ni900Cr18Ni100Cr18Ni9Mo200Cr18Ni10Mo2墊片304+PTFE304L+PTFE316+PTFE316L+PTFE螺栓不銹鋼螺母不銹鋼主要連接尺寸型號公稱通徑尺寸(mm)LHH41W-1.6MPa151309020150105251601153218012040200135502301406529015080310160100350175125400195150480225200600250250650270300750290H41W-2.5MPa151309020150105251601153218012040200135502301406529015080310160100350175125400195150480225200600250250650270300750300主要連接尺寸型號公稱通徑尺寸(mm)LHH41W-4.0MPa151309020150105251601153218012040200135502301406529015080310160100350175125400195150480225200600250250650270300750300H41W-6.4MPa20190110252101253223015240260168503001706534018880380205100430230125500280150550300200650350